From: Luca Berra <bluca@comedia.it>
To: linux-raid@vger.kernel.org
Subject: Re: ANNOUNCE: mdadm 3.1.2 - A tool for managing Soft RAID under Linux
Date: Thu, 11 Mar 2010 13:29:47 +0100 [thread overview]
Message-ID: <20100311122947.GA20914@maude.comedia.it> (raw)
In-Reply-To: <4B98D322.7010101@shiftmail.org>
On Thu, Mar 11, 2010 at 12:25:22PM +0100, Asdo wrote:
> Neil Brown wrote:
>> I am pleased to announce the availability of
>> mdadm version 3.1.2
>>
>> [CUT]
>>
>> Significant changes are:
>> - The default metadata has change again (sorry about that).
>> It is now v1.2 and will hopefully stay that way. [CUT]
>>
> I remember some discussion about alignment for 1.1 and 1.2: is it possible
> on 1.2 to guarantee alignment of RAID device on the physical devices?
> 4K alignment would be needed on SSDs and 2TB disks w/ 4k physical 512b
> logical emulation. Actually on SSDs the alignment could be even more than
> 4k, I am not sure.
is there any problems with this commit?
http://neil.brown.name/git?p=mdadm;a=commit;h=a380e2751efea7dfe8acf0b95419c65ccacfa7cf
> Should we bypass the defaults and put 1.0 metadata on those?
> What was the downside of 1.0 so that it was not made default?
this has been discussed to boredom
L.
--
Luca Berra -- bluca@comedia.it
Communication Media & Services S.r.l.
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next prev parent reply other threads:[~2010-03-11 12:29 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2010-03-10 5:11 ANNOUNCE: mdadm 3.1.2 - A tool for managing Soft RAID under Linux Neil Brown
2010-03-11 11:25 ` Asdo
2010-03-11 11:58 ` Michael Evans
2010-03-11 12:29 ` Luca Berra [this message]
2010-03-11 13:24 ` Asdo
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